Typos:
We are looking for talented people who want to be sponsored by us and wear our clothing when putting their talent to work. Get in touch with us through our Contact page for more details.
I like the simplicity, but to pull it off you also need consistency (as mentioned by purevinyl above) IMHO - Drop shadows or rounded corners, but not both, and the fonts also need to work together. Try viewing in Chrome, it makes a mess of rendering fonts. If it looks good in Chrome, it'll be better in almost every other modern browser.
May need more info to cover payment methods (had to checkout to see Paypal), and returns etc.
Lose the hotmail address, use your domain to register a new one.
URLs aren't reader or SEO friendly.
Personally, I'm not keen on the pop up windows when buying an item, but that's just me.
Hope I'm not being too picky, but these are the things I would change.
